clang-format: Pull the format rules from the openbmc/docs repo

This makes it consistent with other openbmc projects for c++ formatting.

Tested:
    Run through the unit test suite.

Change-Id: I92030ce5b42de01360393687fb438faf26f36ac8
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/vpnor/test/write_prsv.cpp b/vpnor/test/write_prsv.cpp
index 21a0366..69b4989 100644
--- a/vpnor/test/write_prsv.cpp
+++ b/vpnor/test/write_prsv.cpp
@@ -30,7 +30,7 @@
 
     struct mbox_context _ctx, *ctx = &_ctx;
     uint8_t src[8];
-    void *map;
+    void* map;
     int fd;
     int rc;